How to set Multiple Row Labels as in Excel

Hi,
I have data points in which i have to show the chart with more than one data point in X-Axis.
like Month and Weeks and then the Y Axis with counts..
Below are my data points and i have attached sample chart with this for your reference.,. i'm new to Visifire (just bought 10 days back). Can you please help me in knowing how this can be configured in Visifire?